Why is your electricity
bill so high?
Understand your bill in minutes and see the next step for saving, solar and EV charging.
What would you like to do?
How it works
- 1Enter your consumption or the values on your bill.
- 2See the result based on current EPDK tariffs.
- 3Continue with the guide that fits you.
- EPDKtariff-based calculation
- EPİAŞlive market data
- Freeyour data stays in your browser
What you will find here
Tariff and pricing concepts
Plain-language explanations of fixed versus indexed (PTF) pricing, the last-resort tariff (SKTT) and tariff types.
Reading and checking your bill
A guide and a calculator so you can understand each line on your bill and check it yourself.
Market indicators
Articles on how indicators such as PTF and YEKDEM are formed and how to read them; current values are on the Bulletin page.
I-REC / YEK-G guide
An informational guide to what renewable energy certificates (I-REC / YEK-G) are and how they work.
Learn moreElectricity saving guide
Practical saving steps and an estimated-savings calculator for homes, businesses and factories.
Learn moreElectricity saving guide
Separate guides for homes, businesses and factories: no-cost quick wins, investment ideas and an interactive estimator that shows annual savings for your bill.
Explore the guideA free energy information resource
This is a personal information resource; it is not the official website of my employer and has no sales or marketing purpose. The calculators (billing, solar/GES investment, EV charging and range) are built on EPDK tariffs and publicly available data; results are informational and never replace an official document. The goal is simply to help you understand your electricity bill and energy investment decisions better.
- Every calculator is free and open to everyone.
- Values you enter into the calculators stay in your browser — nothing is sent to a server.
- No sales or promotion: information only.
Try the saving guide with your own bill
Open the interactive estimator and see how much a few changes could save.
Open the guide